1948 With the introduction of the National Health Service Act the hospital was transferred to the National Health Service. The management committee was given responsibility for Coed Du, Broughton, Llwyn View, Fronfraith, Garth Angharad and Oakwood Park.

1953 Largactil and Stelazine introduced as effective treatments for Schizophrenia.

1956 Brynhyfryd Villa opened.

1958 Hospital Farm sold.

1958 Sports and recreation Officer appointed.

1959 Mental Health Act gave improved rights to patients.

1959 Many Hospital and ward doors were permanently unlocked.

1960 Enoch Powell visited the hospital and announced its eventual demise with the Hospital plan for England and Wales which proposed Psychiatric units attached to General Hospitals and more community care.